| Chemical | CAS Numbers | Synonyms | Action Level | IDLH |
|---|---|---|---|---|
| Asbestos (Chrysotile Asbestos) | 12001-29-5 | Chrysotile Asbestos, White Asbestos | Not Applicable | See NIOSH IDLH guidance for asbestos |
| Carbon Tetrachloride | 56-23-5 | Tetrachloromethane | 0.02 ppm | 200 ppm |
| Methylene Chloride | 1605-72-7 3474-12-2 75-09-2 |
DCM, Dichloromethane, MC | 1 ppm | 2300 ppm |
| Perchloroethylene | 127-18-4 | Ethylene Tetrachloride, PCE, PERC, Perchlor, Tetrachloroethene, Tetrachloroethylene | 0.1 ppm | 150 ppm |
| Trichloroethylene | 79-01-6 | Ethylene Trichloride, TCE, Trichloroethene, Triclene | 0.1 ppm | 1000 ppm |